St. Peters City, Missouri
Incorporated place · Latest: 2024
Leans Republican — shifted 3.5pp toward Democrats in 2024 — 58K residents
POPULATION
58K
PRES MARGIN
R+7.2
2024
Place Story
What defines St. Peters City
Leans Republican since 2008
Demographically distinctive: 82% non-Hispanic white (+25pp vs national)
Similar cities
Nearest neighbors matched on the same place-page feature set used across the dossier system.
St. Charles City
Educated urban republican
O'Fallon City
Educated urban republican
Dardenne Prairie City
Educated urban republican
Bel Air South CDP
Educated urban republican
Coon Rapids City
Educated urban republican
Westminster City
Educated urban republican
Noblesville City
Educated urban republican
Severna Park CDP
Educated urban republican
Located In
St. Peters City sits inside these higher-level geographies.
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Who Lives Here
A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
| Group | St. Peters City | National |
|---|---|---|
White (Non-Hispanic) | 82.4% | 57.4% |
Black / African American | 5.6% | 12.2% |
Multiracial / Other | 5.3% | 4.0% |
Hispanic / Latino | 3.8% | 19.3% |
Asian | 2.6% | 6.0% |
Native American / Alaska Native | 0.2% | 0.9% |
Native Hawaiian / Pacific Islander | 0.1% | 0.2% |
Method notes
Who lives in St. Peters City? 57,732 residents as of the 2020 Census.
Demographics
Read this geography's profile in three layers: local, state (where available), and national baseline.
Population & electorate
Scale, voting-age share, and this geography's footprint inside the national electorate.
Total population
58K
Share of U.S. population
0.02%
Voting-age population
79.3%
Economic profile
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Median household income
N/A
Poverty rate
N/A
College degree
N/A
Homeownership
N/A
Community profile
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
Median age
N/A
Age 18–29
N/A
Age 65+
N/A
Foreign born
N/A
Non-English at home
N/A
English only
N/A
Turnout in St. Peters City
Estimated using 2020 Census voting-age population.
70.0%
-2.5pp
45,798
2008–2024
How competitive is St. Peters City?
Likely RAvg margin: R+13.4 (last 3 elections)
2008
R+4.3
2012
R+15.9
2016
R+22.2
2020
R+10.7
2024
R+7.2
17.8pp
0
R+12.1
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